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Crossref Stats Page: Updated on Aug 22, 2019

MetaData Deposit
Total Records in Database107,557,195
Total Prefixes14,467
Number of Journals70,426
Number of Books1,365,490
Number of Conference Proceedings66,923
Number of Journal DOIs78,659,566
Number of Book DOIs15,825,517
Number of Conference DOIs5,953,680
Number of Components3,864,724
Number of Standards Titles391,976
Number of Standards DOIs307,927
Number of Databases26,844
Number of Database DOIs1,836,117
Number of Articles with References Deposited43,986,186
Number of Cited-By Links943,291,111
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 31,978
Number of Book Title Level DOIs 1,386,461
Number of ConfProc Title Level DOIs 20,404
Number of Dissertation Title Level DOIs 282,028
Number of Report Title Level DOIs 614,016
Number of Standards Title Level DOIs 307,362
Number of Database Title Level DOIs 23,644
Number of Unique DOIs with FundRef data 2,947,660

Monthly Deposit Data

MonthTotal Records
Added
Total Current
Deposits
Total BackFile
Deposits
Total Records
Updated
(2016)6,125,8073,971,1362,154,67126,670,973
(2017)7,384,8185,109,0752,275,74331,278,043
(2018)8,265,9186,240,5712,025,34733,609,916
Jul822,896638,712184,1843,597,060
Aug874,231640,770233,4613,333,069
Sep809,045686,085122,9602,553,305
Oct849,490737,221112,2693,279,579
Nov827,655705,722121,9333,434,929
Dec780,544671,698108,8462,809,222
Jan837,106643,227193,8793,709,404
Feb739,634600,221139,4132,930,021
Mar883,267709,834173,4333,394,481
Apr911,489699,395212,0943,526,819
May1,022,569765,045257,5244,071,354
Jun858,438701,512156,9264,128,236
Jul907,844740,353167,4913,389,352
Aug564,576434,411130,1652,664,488


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(2016)2,132,786,834741,439,41035%59%46%46%1,082,427,3471,001,605,89193%
(2017)2,104,222,315726,991,60435%51%40%40%1,522,141,0931,397,871,16892%
(2018)2194087319754,970,92334%51%43%43%1,823,393,3791,738,885,21895%
Jul198,568,36266,671,38234%46%44%65%135,985,549131,058,63896%
Aug183,486,67964,678,39135%49%45%76%149,760,753144,149,65896%
Sep175,579,74255,239,39331%52%38%73%126,702,532120,759,40895%
Oct186,639,13165,918,58035%56%42%73%156,798,578149,988,86196%
Nov182,717,30663,494,72735%55%44%74%195,014,038182,442,19394%
Dec127,351,47356,427,04944%55%48%72%177,168,246170,607,39296%
Jan126,964,51763,996,54150%58%42%60%127,096,055119,483,24194%
Feb141,564,96577,731,76055%59%50%68%131,022,077123,932,71995%
Mar128,308,24168,458,71453%59%53%67%155,800,023147,005,05794%
Apr149,186,03668,873,98446%56%58%68%149,987,175141,707,40594%
May172,624,83868,086,94639%54%61%66%150,178,136141,697,07594%
Jun129,897,36152,710,69141%55%51%68%263,675,557214,375,45181%
Jul124,518,87358,381,31747%52%52%72%152,592,199145,168,55395%
Aug96,528,83639,538,08541%48%55%69%97,217,63192,430,64695%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Jul20,89679,830
Aug20,99577,959
Sep21,19771,816
Oct24,97786,024
Nov24,92285,735
Dec22,69279,642
Jan28,14294,440
Feb25,83690,182
Mar26,39995,016
Apr22,27292,117
May37,630117,372
Jun25,66998,685
Jul30,244114,941
Aug21,07573,281

ORCID Totals

StatisticTotal
Total orcid/article pairs4,788,905
Total unique orcids1,824,222
Total works pushed2,304,559
Authors granting771,329
Authors denying503,526
Authors not responding561,145